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Vulnerability record · CVE-2010-2731 · published 15 September 2010

CVE-2010-2731: Improper authentication vulnerability

Unspecified vulnerability in Microsoft Internet Information Services (IIS) 5.1 on Windows XP SP3, when directory-based Basic Authentication is enabled, allows remote attackers to bypass intended access restrictions and execute ASP files via a crafted request, aka "Directory Authentication Bypass Vulnerability."

6.8 CVSS 2.0 Medium EPSS 31% · top 1.8% CWE-287 · Improper authentication
6.8CVSS 2.0 base score
31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

Unspecified vulnerability in Microsoft Internet Information Services (IIS) 5.1 on Windows XP SP3, when directory-based Basic Authentication is enabled, allows remote attackers to bypass intended access restrictions and execute ASP files via a crafted request, aka "Directory Authentication Bypass Vulnerability."

AV:N/AC:M/Au:N/C:P/I:P/A:P

References

LinkTags
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-065
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6942
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-065
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6942

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-2731), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.